The ESO/MPI 2.2m Telescope

Telescope Location

Longitud 70° 44' 12.0" W  (WGS84)
Latitud -29° 15' 28.2" S  (WGS84)

Telescope Optical Parameters

OPTICAL DESIGN Ritchey - Chretien 
FREE APERTURE 2200 mm
FOCAL RATIO f/8.0
SCALE 11.7 arcsec/mm without corrector
FIELD 33 arcmin free from vignetting
OPTICAL QUALITY d 80% Encircled Energy = 0.3 arcsec
FOCUS POSITION Cassegrain
MOUNT Equatorial - Fork

Main Mirror Parameters

DIAMETER 2300 mm
FOCAL RATIO f/3
SHAPE Hyperbolic
MATERIAL Zerodur

Secondary Mirror Parameters

DIAMETER 844 mm
SHAPE Hyperbolic
MATERIAL Zerodur
CENTRAL OBSTRUCTION 40 %

Baffling improvement project

A characterization of the baffling of the 2.2-m telescope is available. As part of the overall improvement projects we are in the process of design and installation of baffle rings that should reduce the amount of straight light reaching the instruments attached to the WFI.
 
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